Keysight Technologies Inc. Upgrade from 10 MHz to 120 MHz
The Keysight E4990AU-120 is an official upgrade option for the E4990A Impedance Analyzer, enabling the instrument's frequency range to be extended from 10 MHz up to 120 MHz. This upgrade allows users to perform impedance measurements over a broader frequency spectrum, enhancing the analyzer's versatility for component characterization, material analysis, and other advanced applications. The E4990AU-120 is designed and supported by Keysight Technologies, ensuring full compatibility and optimal performance with the E4990A mainframe. Installation of this upgrade requires a valid E4990A unit and may involve a license key or hardware modification as specified by Keysight.